Add 9/21 and 1/64
9/21 + 1/64 is 199/448.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 64 is 1344
Next, find the equivalent fraction of both fractional numbers with denominator 1344 - For the 1st fraction, since 21 × 64 = 1344,
9/21 = 9 × 64/21 × 64 = 576/1344 - Likewise, for the 2nd fraction, since 64 × 21 = 1344,
1/64 = 1 × 21/64 × 21 = 21/1344 - Add the two like fractions:
576/1344 + 21/1344 = 576 + 21/1344 = 597/1344 - 597/1344 simplified gives 199/448
- So, 9/21 + 1/64 = 199/448
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/21+1/64 9/21+2/64 9/42+1/64 27/21+1/64 9/21+3/64 9/63+1/64 45/21+1/64 9/21+5/64 63/21+1/64 9/21+7/64